content: /**
   * Copyright (c) 2012-2018, Andy Janata
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification, are permitted
   * provided that the following conditions are met:
   *
   * * Redistributions of source code must retain the above copyright notice, this list of conditions
   *   and the following disclaimer.
   * * Redistributions in binary form must reproduce the above copyright notice, this list of
   *   conditions and the following disclaimer in the documentation and/or other materials provided
   *   with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
   * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package net.socialgamer.cah.handlers;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.servlet.http.HttpSession;
  
  import com.google.inject.Inject;
  
  import net.socialgamer.cah.Constants.AjaxOperation;
  import net.socialgamer.cah.Constants.AjaxResponse;
  import net.socialgamer.cah.Constants.ErrorCode;
  import net.socialgamer.cah.Constants.ReturnableData;
  import net.socialgamer.cah.Constants.SessionAttribute;
  import net.socialgamer.cah.RequestWrapper;
  import net.socialgamer.cah.data.Game;
  import net.socialgamer.cah.data.GameManager;
  import net.socialgamer.cah.data.User;
  
  
  /**
   * Handler to create a new game.
   *
   * @author Andy Janata (ajanata@socialgamer.net)
   */
  public class CreateGameHandler extends Handler {
  
    public static final String OP = AjaxOperation.CREATE_GAME.toString();
  
    private final GameManager gameManager;
  
    @Inject
    public CreateGameHandler(final GameManager gameManager) {
      this.gameManager = gameManager;
    }
  
    @Override
    public Map<ReturnableData, Object> handle(final RequestWrapper request,
        final HttpSession session) {
      final Map<ReturnableData, Object> ret = new HashMap<ReturnableData, Object>();
  
      final User user = (User) session.getAttribute(SessionAttribute.USER);
      assert (user != null);
  
      Game game;
      try {
        game = gameManager.createGameWithPlayer(user);
      } catch (final IllegalStateException ise) {
        return error(ErrorCode.CANNOT_JOIN_ANOTHER_GAME);
      }
      if (game == null) {
        return error(ErrorCode.TOO_MANY_GAMES);
      } else {
        ret.put(AjaxResponse.GAME_ID, game.getId());
        game.maybeAddPermalinkToData(ret);
        return ret;
      }
    }
  }
  